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smooth property (default off)

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svn path=/trunk/KDE/kdebase/runtime/; revision=1204366
This commit is contained in:
Marco Martin 2010-12-06 22:19:33 +00:00
parent 4ff23c21ea
commit 20e4b7ca35
2 changed files with 29 additions and 1 deletions
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25
declarativeimports/core/svgitem.cpp
View File

@ -28,7 +28,8 @@ namespace Plasma
{
SvgItem::SvgItem(QDeclarativeItem *parent)
: QDeclarativeItem(parent)
: QDeclarativeItem(parent),
m_smooth(false)
{
setFlag(QGraphicsItem::ItemHasNoContents, false);
}
@ -79,6 +80,20 @@ Plasma::Svg *SvgItem::svg() const
return m_svg.data();
}
void SvgItem::setSmooth(const bool smooth)
{
if (smooth == m_smooth) {
return;
}
m_smooth = smooth;
update();
}
bool SvgItem::smooth() const
{
return m_smooth;
}
void SvgItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option);
@ -87,9 +102,17 @@ void SvgItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, Q
if (!m_svg) {
return;
}
//do without painter save, faster and the support can be compiled out
const bool wasAntiAlias = painter->testRenderHint(QPainter::Antialiasing);
const bool wasSmoothTransform = painter->testRenderHint(QPainter::SmoothPixmapTransform);
painter->setRenderHint(QPainter::Antialiasing, m_smooth);
painter->setRenderHint(QPainter::SmoothPixmapTransform, m_smooth);
//setContainsMultipleImages has to be done there since m_frameSvg can be shared with somebody else
m_svg.data()->setContainsMultipleImages(!m_elementID.isEmpty());
m_svg.data()->paint(painter, boundingRect(), m_elementID);
painter->setRenderHint(QPainter::Antialiasing, wasAntiAlias);
painter->setRenderHint(QPainter::SmoothPixmapTransform, wasSmoothTransform);
}
} // Plasma namespace

5
declarativeimports/core/svgitem_p.h
View File

@ -32,6 +32,7 @@ class SvgItem : public QDeclarativeItem
Q_PROPERTY(QString elementId READ elementId WRITE setElementId)
Q_PROPERTY(Plasma::Svg * svg READ svg WRITE setSvg)
Q_PROPERTY(QSizeF naturalSize READ naturalSize NOTIFY naturalSizeChanged)
Q_PROPERTY(bool smooth READ smooth WRITE setSmooth)
public:
SvgItem(QDeclarativeItem *parent=0);
@ -43,6 +44,9 @@ public:
void setSvg(Plasma::Svg *svg);
Plasma::Svg *svg() const;
void setSmooth(const bool smooth);
bool smooth() const;
QSizeF naturalSize() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
@ -53,6 +57,7 @@ Q_SIGNALS:
private:
QWeakPointer<Plasma::Svg> m_svg;
QString m_elementID;
bool m_smooth;
};
}